Having a preventative maintenance program is the best investment you can make for your system. Your building system deteriorates over time, and having preventative maintenance will protect against system failure as well as reduce operating costs. Deferred maintenance results in higher operating costs and low efficiency. Comfort problems increase as reliability drops. Proper equipment maintenance helps to prevent these issues, as well as decrease the likelihood of premature replacement. A planned maintenance program maximizes your system's efficiency and longevity.


Mallory & Evans provides a complete range of maintenance services for HVAC and mechanical systems in existing buildings. Our team members have extensive experience with most major equipment manufacturers.


There are three common types of planned HVAC maintenance programs:

  • Inspection Program
  • Preventative Maintenance Program
  • Full Coverage Program


From Cooling Towers to VAV Boxes – Mallory & Evans Has You Covered

Air Conditioners, Air Handlers, Boilers, Building Automation & Controls, Chillers and Cooling Towers, Computer Room Units, Exhaust Units, Fire & Smoke Dampers, Furnaces, Heat Pumps, Humidifiers, Make-Up Air Systems, Multi-Zone Systems, Package Units, Pumps, Unit Heaters, VAV Boxes, Vent Hoods, Ventilation,

And much more…

Whether it's a couple of hours per quarter or a full coverage maintenance agreement, Mallory & Evans can customize a plan that meets both your budget and your equipment needs. To evaluate system performance or to have an operation review, please contact Mallory & Evans at (404) 297-1007 or